The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the What is the directory structure for the texts? FAQ for information about file content and naming conventions.
Added t.-p.: Records of civilization: sources and studies, ed. by James T. Shotwell
"The following translation is based upon the text edited by Mommsen in the Monumenta Germaniæ historica."--Introd. to v. 1
I. To the pontificate of Gregory I, tr. with an introduction by Louise R. Loomis